{% extends "base.html" %}

{% block title %}Settings{% endblock %}

{% block content %}
<div class="card-container">
    <div class="card">
        <h3>Manage Users (Legacy)</h3>
        <ul class="user-list">
            {% for user in users %}
            <li data-user-id="{{ user.id }}" data-username="{{ user.username }}" data-email="{{ user.email if user.email else '' }}" data-role="{{ user.role }}">
                <span class="user-name">{{ user.username }}</span>
                <span class="user-role">Role: {{ user.role }}</span>
                <button class="btn edit-user-btn" data-user-id="{{ user.id }}" data-username="{{ user.username }}" data-email="{{ user.email if user.email else '' }}" data-role="{{ user.role }}">Edit User</button>
                <button class="btn delete-btn delete-user-btn" data-user-id="{{ user.id }}" data-username="{{ user.username }}">Delete User</button>
            </li>
            {% endfor %}
        </ul>
        <button id="create-user-btn" class="btn create-btn">Create User</button>
    </div>

    <div class="card">
        <h3>External Server Settings</h3>
        <form method="POST" action="{{ url_for('main.save_external_db') }}" class="form-centered">
            <label for="server_domain">Server Domain/IP Address:</label>
            <input type="text" id="server_domain" name="server_domain" value="{{ external_settings.get('server_domain', '') }}" required>
            <label for="port">Port:</label>
            <input type="number" id="port" name="port" value="{{ external_settings.get('port', '') }}" required>
            <label for="database_name">Database Name:</label>
            <input type="text" id="database_name" name="database_name" value="{{ external_settings.get('database_name', '') }}" required>
            <label for="username">Username:</label>
            <input type="text" id="username" name="username" value="{{ external_settings.get('username', '') }}" required>
            <label for="password">Password:</label>
            <input type="password" id="password" name="password" value="{{ external_settings.get('password', '') }}" required>
            <button type="submit" class="btn">Save/Update External Database Info Settings</button>
        </form>
    </div>

    <div class="card" style="margin-top: 32px;">
        <h3>🎯 User & Permissions Management</h3>
        <p><strong>Simplified 4-Tier System:</strong> Superadmin → Admin → Manager → Worker</p>
        <p>Streamlined interface with module-based permissions (Quality, Warehouse, Labels)</p>
        <div style="margin-top: 15px;">
            <a href="{{ url_for('main.user_management_simple') }}" class="btn" style="background-color: #2196f3; color: white; margin-right: 10px;">
                🎯 Manage Users (Simplified)
            </a>
            
        </div>
        <small style="display: block; margin-top: 10px; color: #666;">
            Recommended: Use the simplified user management for easier administration
        </small>
    </div>

    {% if session.role in ['superadmin', 'admin'] %}
    <div class="card" style="margin-top: 32px;">
        <h3>💾 Database Backup Management</h3>
        <p><strong>Automated Backup System:</strong> Schedule and manage database backups</p>
        
        <!-- Backup Controls -->
        <div style="margin-top: 20px; padding: 15px; background: #f5f5f5; border-radius: 8px;">
            <h4 style="margin-top: 0;">Quick Actions</h4>
            <button id="backup-now-btn" class="btn" style="background-color: #4caf50; color: white; margin-right: 10px;">
                ⚡ Backup Now
            </button>
            <button id="refresh-backups-btn" class="btn" style="background-color: #2196f3; color: white;">
                🔄 Refresh List
            </button>
        </div>

        <!-- Schedule Configuration -->
        <div style="margin-top: 20px; padding: 15px; background: #f9f9f9; border-radius: 8px;">
            <h4 style="margin-top: 0;">Backup Schedule</h4>
            <form id="backup-schedule-form" style="display: grid; grid-template-columns: 1fr 1fr; gap: 15px;">
                <div>
                    <label for="schedule-enabled">
                        <input type="checkbox" id="schedule-enabled" name="enabled"> Enable Scheduled Backups
                    </label>
                </div>
                <div>
                    <label for="schedule-time">Backup Time:</label>
                    <input type="time" id="schedule-time" name="time" value="02:00">
                </div>
                <div>
                    <label for="schedule-frequency">Frequency:</label>
                    <select id="schedule-frequency" name="frequency">
                        <option value="daily">Daily</option>
                        <option value="weekly">Weekly</option>
                        <option value="monthly">Monthly</option>
                    </select>
                </div>
                <div>
                    <label for="retention-days">Keep backups for (days):</label>
                    <input type="number" id="retention-days" name="retention_days" value="30" min="1" max="365">
                </div>
                <div style="grid-column: span 2;">
                    <button type="submit" class="btn" style="background-color: #ff9800; color: white;">
                        💾 Save Schedule
                    </button>
                </div>
            </form>
        </div>

        <!-- Backup List -->
        <div style="margin-top: 20px;">
            <h4>Available Backups</h4>
            <div id="backup-list" style="max-height: 400px; overflow-y: auto;">
                <p style="text-align: center; color: #999;">Loading backups...</p>
            </div>
        </div>

        <!-- Backup Path Info -->
        <div style="margin-top: 15px; padding: 10px; background: #e3f2fd; border-left: 4px solid #2196f3; border-radius: 4px;">
            <strong>ℹ️ Backup Location:</strong> <code id="backup-path-display">/srv/quality_app/backups</code>
            <br>
            <small>Configure backup path in docker-compose.yml (BACKUP_PATH environment variable)</small>
        </div>
    </div>
    {% endif %}
</div>

<!-- Popup for creating/editing a user -->
<div id="user-popup" class="popup" style="display:none; position:fixed; top:0; left:0; width:100vw; height:100vh; background:var(--app-overlay-bg, rgba(30,41,59,0.85)); z-index:9999; align-items:center; justify-content:center;">
    <div class="popup-content" style="margin:auto; padding:32px; border-radius:8px; box-shadow:0 2px 8px #333; min-width:320px; max-width:400px; text-align:center;">
        <h3 id="user-popup-title">Create/Edit User</h3>
        <form id="user-form" method="POST" action="{{ url_for('main.create_user') }}">
            <input type="hidden" id="user-id" name="user_id">
            <label for="username">Username:</label>
            <input type="text" id="username" name="username" required>
            <label for="email">Email (Optional):</label>
            <input type="email" id="email" name="email">
            <label for="password">Password:</label>
            <input type="password" id="password" name="password" required>
            <label for="role">Role:</label>
            <select id="role" name="role" required>
                <option value="superadmin">Superadmin</option>
                <option value="admin">Admin</option>
                <option value="manager">Manager</option>
                <option value="warehouse_manager">Warehouse Manager</option>
                <option value="warehouse_worker">Warehouse Worker</option>
                <option value="quality_manager">Quality Manager</option>
                <option value="quality_worker">Quality Worker</option>
            </select>
            <button type="submit" class="btn">Save</button>
            <button type="button" id="close-user-popup-btn" class="btn cancel-btn">Cancel</button>
        </form>
    </div>
</div>

<!-- Popup for confirming user deletion -->
<div id="delete-user-popup" class="popup">
    <div class="popup-content">
        <h3>Do you really want to delete the user <span id="delete-username"></span>?</h3>
        <form id="delete-user-form" method="POST" action="{{ url_for('main.delete_user') }}">
            <input type="hidden" id="delete-user-id" name="user_id">
            <button type="submit" class="btn delete-confirm-btn">Yes</button>
            <button type="button" id="close-delete-popup-btn" class="btn cancel-btn">No</button>
        </form>
    </div>
</div>
<script>
document.getElementById('create-user-btn').onclick = function() {
    document.getElementById('user-popup').style.display = 'flex';
    document.getElementById('user-popup-title').innerText = 'Create User';
    document.getElementById('user-form').reset();
    document.getElementById('user-form').setAttribute('action', '{{ url_for("main.create_user") }}');
    document.getElementById('user-id').value = '';
    document.getElementById('password').required = true;
    document.getElementById('password').placeholder = '';
    document.getElementById('username').readOnly = false;
};

document.getElementById('close-user-popup-btn').onclick = function() {
    document.getElementById('user-popup').style.display = 'none';
};

// Edit User button logic
Array.from(document.getElementsByClassName('edit-user-btn')).forEach(function(btn) {
    btn.onclick = function() {
        document.getElementById('user-popup').style.display = 'flex';
        document.getElementById('user-popup-title').innerText = 'Edit User';
        document.getElementById('user-id').value = btn.getAttribute('data-user-id');
        document.getElementById('username').value = btn.getAttribute('data-username');
        document.getElementById('email').value = btn.getAttribute('data-email') || '';
        document.getElementById('role').value = btn.getAttribute('data-role');
        document.getElementById('password').value = '';
        document.getElementById('password').required = false;
        document.getElementById('password').placeholder = 'Leave blank to keep current password';
        document.getElementById('username').readOnly = true;
        document.getElementById('user-form').setAttribute('action', '{{ url_for("main.edit_user") }}');
    };
});

// Delete User button logic  
Array.from(document.getElementsByClassName('delete-user-btn')).forEach(function(btn) {
    btn.onclick = function() {
        document.getElementById('delete-user-popup').style.display = 'flex';
        document.getElementById('delete-username').innerText = btn.getAttribute('data-username');
        document.getElementById('delete-user-id').value = btn.getAttribute('data-user-id');
    };
});

document.getElementById('close-delete-popup-btn').onclick = function() {
    document.getElementById('delete-user-popup').style.display = 'none';
};

// ========================================
// Database Backup Management Functions
// ========================================

// Load backup schedule on page load
function loadBackupSchedule() {
    fetch('/api/backup/schedule')
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                document.getElementById('schedule-enabled').checked = data.schedule.enabled;
                document.getElementById('schedule-time').value = data.schedule.time;
                document.getElementById('schedule-frequency').value = data.schedule.frequency;
                document.getElementById('retention-days').value = data.schedule.retention_days;
            }
        })
        .catch(error => console.error('Error loading schedule:', error));
}

// Load backup list
function loadBackupList() {
    const backupList = document.getElementById('backup-list');
    if (!backupList) return;
    
    backupList.innerHTML = '<p style="text-align: center; color: #999;">Loading backups...</p>';
    
    fetch('/api/backup/list')
        .then(response => response.json())
        .then(data => {
            if (data.success && data.backups.length > 0) {
                let html = '<table style="width: 100%; border-collapse: collapse;">';
                html += '<thead><tr style="background: #f0f0f0;"><th style="padding: 10px; text-align: left;">Filename</th><th>Size</th><th>Created</th><th>Actions</th></tr></thead>';
                html += '<tbody>';
                
                data.backups.forEach(backup => {
                    html += `<tr style="border-bottom: 1px solid #ddd;">
                        <td style="padding: 10px;">${backup.filename}</td>
                        <td style="text-align: center;">${backup.size_mb} MB</td>
                        <td style="text-align: center;">${backup.created}</td>
                        <td style="text-align: center;">
                            <button onclick="downloadBackup('${backup.filename}')" class="btn" style="background: #2196f3; color: white; padding: 5px 10px; margin: 2px;">⬇️ Download</button>
                            <button onclick="deleteBackup('${backup.filename}')" class="btn" style="background: #f44336; color: white; padding: 5px 10px; margin: 2px;">🗑️ Delete</button>
                        </td>
                    </tr>`;
                });
                
                html += '</tbody></table>';
                backupList.innerHTML = html;
            } else {
                backupList.innerHTML = '<p style="text-align: center; color: #999;">No backups available</p>';
            }
        })
        .catch(error => {
            console.error('Error loading backups:', error);
            backupList.innerHTML = '<p style="text-align: center; color: #f44336;">Error loading backups</p>';
        });
}

// Backup now button
document.getElementById('backup-now-btn')?.addEventListener('click', function() {
    const btn = this;
    btn.disabled = true;
    btn.innerHTML = '⏳ Creating backup...';
    
    fetch('/api/backup/create', {
        method: 'POST'
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            alert('✅ ' + data.message + '\nFile: ' + data.filename + '\nSize: ' + data.size);
            loadBackupList();
        } else {
            alert('❌ ' + data.message);
        }
        btn.disabled = false;
        btn.innerHTML = '⚡ Backup Now';
    })
    .catch(error => {
        console.error('Error creating backup:', error);
        alert('❌ Failed to create backup');
        btn.disabled = false;
        btn.innerHTML = '⚡ Backup Now';
    });
});

// Refresh backups button
document.getElementById('refresh-backups-btn')?.addEventListener('click', function() {
    loadBackupList();
});

// Save schedule form
document.getElementById('backup-schedule-form')?.addEventListener('submit', function(e) {
    e.preventDefault();
    
    const formData = {
        enabled: document.getElementById('schedule-enabled').checked,
        time: document.getElementById('schedule-time').value,
        frequency: document.getElementById('schedule-frequency').value,
        retention_days: parseInt(document.getElementById('retention-days').value)
    };
    
    fetch('/api/backup/schedule', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(formData)
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            alert('✅ ' + data.message);
        } else {
            alert('❌ ' + data.message);
        }
    })
    .catch(error => {
        console.error('Error saving schedule:', error);
        alert('❌ Failed to save schedule');
    });
});

// Download backup function
function downloadBackup(filename) {
    window.location.href = `/api/backup/download/${filename}`;
}

// Delete backup function
function deleteBackup(filename) {
    if (confirm(`Are you sure you want to delete backup: ${filename}?`)) {
        fetch(`/api/backup/delete/${filename}`, {
            method: 'DELETE'
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                alert('✅ ' + data.message);
                loadBackupList();
            } else {
                alert('❌ ' + data.message);
            }
        })
        .catch(error => {
            console.error('Error deleting backup:', error);
            alert('❌ Failed to delete backup');
        });
    }
}

// Load backup data on page load
if (document.getElementById('backup-list')) {
    loadBackupSchedule();
    loadBackupList();
}

</script>
{% endblock %}